Elegant Yokai Apartment Life Vol. 15 (Kodansha, 2019)

After heading downtown to take a breather from cramming for entrance exams, Yushi just so happens to run into Chiaki-sensei shortly followed by the Tashiro Trio, who excitedly drag the boys with them to an antique jewelry gallery. There, while perusing trinkets, the gang soon find themselves caught smack dab in the middle of a jewelry heist! His classmates and teacher taken hostage, it's up to Yushi to use his grimoire to save the day! Don't miss this supercharged escape drama!